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You'll have a hard time finding a member of the political or celebrity elite who doesn't have his own team of specialists monitoring his gates and home video surveillance system at all hours (not to mention his bodyguard, who ensures that any trip past the perimeter of his private estate is as safe as humanly possible).

Unfortunately, people are expensive commodities. On the other hand, technology, once you own it, will work tirelessly for whatever purpose for which it's intended. While a well-integrated home video surveillance system won't be able to protect you, a combination of alarm sirens and recorded footage will go a long way to both scaring off intruders and ensuring that you can identify them and bring them to justice.

These days, the issue of managing and storing home security surveillance footage is tackled by a variety of different means. Some people enlist the services of online storage clusters, to which their data is wirelessly transmitted the instant it's recorded, providing insurance against the possibility of anybody concealing the details of their crime after it happens. Others prefer to protect their information by storing it in a safe room on the premises, where it is saved to a Hybrid Digital Video Recorder (or HDVR). Either of these options allows for the possibility of recording numerous feeds simultaneously, and utilize looped recording to prevent your stored trove of information becoming too large and unwieldy.

There is, however, a much more nifty solution to the problem of storing digital footage. It involves the judicious use of PIR motion detectors which, with a little uncomplicated rewiring, can be used to activate your home security surveillance system. PIR motion detectors cover a cone-shaped area, and are activated by a change of sufficient degree in the heat of that area. Thus, they utilize very little power and take up no storage space in terms of information. When activated, they'll cause your cameras to come into operation, setting them to run for a certain specified period beyond the last detected movement or change in the observed area.

Your cameras will thus only record when necessary, meaning that maintaining them as an element of home security surveillance will be far more cost-effective. One might further enhance the efficacy of such a home video surveillance system by installing panning, tilting and zooming (PTZ) cameras. Such cameras make use of sophisticated software to track the motion of intruders as they move about the house.

These days, you can buy a PIR motion detector for under $20, and simple webcams and door and window contacts cost even less. Thus it's certainly possible to build an effective home security surveillance system using only the cheapest of materials, even as more sophisticated, state-of-the-art technology offers advantages that aren't easily replicated on shoestring budgets. Obviously, the choice of whether to build your own home video surveillance system or sign up with a security company like ADT and have skilled technicians do the work will come down, first of all, to how much cash you have to play with, and second, whether the prospect of building your own system appeals to you. Remember that an alarm can only do so much when it comes to scaring off criminals - having a security agency capable of backing that warning up with armed force is truly invaluable in any crisis situation.

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